package Collection;

import java.util.ArrayList;
import java.util.List;

/**
 * List集合提供的方法:
 * list subList(int start,int end)
 * 获取当前集合中指定范围内的子集
 */
public class ListDemo3 {
    public static void main(String[] args) {
        List<Integer> list = new ArrayList<>();
        for (int i = 0; i <10 ; i++) {
            list.add(i);
        }
        System.out.println(list);
        //获取子集[3-7]
        List<Integer> subList = list.subList(3,8);
        System.out.println("sub:"+subList);


        //将子集每个元素扩大10倍
        //[30,40,50,60,70]
        for (int i = 0; i <subList.size(); i++) {
            subList.set(i,subList.get(i)*10);
        }
        System.out.println(subList);
        System.out.println(list);
//        list.subList(1,9).clear();
//        System.out.println(list);

    }
}
